package com.limu.night.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.limu.night.common.R;
import com.limu.night.dto.DishDto;
import com.limu.night.dto.SetmealDto;
import com.limu.night.entity.Category;
import com.limu.night.entity.Setmeal;
import com.limu.night.service.CategoryService;
import com.limu.night.service.SetmealDishService;
import com.limu.night.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * TODO 类描述
 *
 * @author: LiMu
 * @createTime: 2022年10月04日 17:33
 * 套餐管理
 */

@Slf4j
@RestController
@RequestMapping("/setmeal")
public class SetmealController {

    @Autowired
    private SetmealService setmealService;

    @Autowired
    private SetmealDishService setmealDishService;

    @Autowired
    private CategoryService categoryService;

    //新增套餐
    @PostMapping
    @CacheEvict(value = "setmealCache", allEntries = true)
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息：{}",setmealDto);
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }

    //套餐分页查询
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize, String name){
        //分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(name != null,Setmeal::getName,name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo, dtoPage, "records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item)->{
            SetmealDto setmealDto = new SetmealDto();
            BeanUtils.copyProperties(item, setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if(category != null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }

    //删除套餐
    @DeleteMapping
    @CacheEvict(value = "setmealCache", allEntries = true)
    public R<String> delete(@RequestParam List<Long> ids){
        log.info("ids:{}",ids);

        setmealService.removeWithDish(ids);

        return R.success("删除套餐成功");
    }

    //停售--启售修改套餐状态
    @PostMapping("/status")
    @CacheEvict(value = "setmealCache", allEntries = true)
    public R<String> upStatus(@RequestParam  List<Long> ids,int st) {
        log.info("套餐id为：{}，套餐状态改为：{}", ids, st);
        setmealService.upStatus(ids, st);

        return R.success("修改状态成功");
    }

    //通过id获取套餐信息及对应的菜品信息
    @GetMapping("/{id}")
    public R<SetmealDto> get(@PathVariable Long id){
        SetmealDto dishDto = setmealService.getByIdWithDish(id);

        return R.success(dishDto);
    }

    //修改套餐信息及菜品
    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto){
        log.info(setmealDto.toString());

        setmealService.updateWithDish(setmealDto);

        return R.success("修改套餐成功");
    }

    //根据条件查询套餐数据
    @GetMapping("/list")
    @Cacheable(value = "setmealCache", key = "#setmeal.getCategoryId()+'_'+ #setmeal.status")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal != null, Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null, Setmeal::getStatus, setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);


        return R.success(list);
    }

}
